Home / 53,934.18-80,912.79-18,874.98

Finding the Fourth Proportional to 53,934.18, 80,912.79 and 18,874.98

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Solution

The fourth proportional to 53,934.18, 80,912.79 and 18,874.98 is: 28,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.18 : 80,912.79 = 18,874.98 : x
  2. Step 2: Convert to fraction form
    53,934.18/80,912.79 = 18,874.98/x
  3. Step 3: Cross multiply
    53,934.18x = 80,912.79 × 18,874.98
  4. Step 4: Simplify right side
    53,934.18x = 1,527,227,292.99
  5. Step 5: Solve for x
    x = 1,527,227,292.99/53,934.18
  6. Step 6: Final answer
    x = 28,316.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.